Columbia River - Multnomah Channel Entrance Weather Forecast

    • 59
    • 76

    Increasing Clouds

    • 53
    • 67

    Rain Showers

    • 54
    • 71

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 53
    • 71

    Partly Sunny

    • 52
    • 70

    Slight Chance Rain Showers

Today 13 Sep Lower Columbia River

Mostly cloudy in the Morning, then becoming mostly sunny. Highs in the upper 70s. Winds light.

Tonight 13 Sep Lower Columbia River

Mostly cloudy. A chance of rain in the Evening, then Showers after midnight. Lows in the upper 50s. Winds light. Chance of rain 80 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Multnomah Channel Entrance Temperature Statistics

September Temperature

Scappoose Industrial Airpark (6.8 miles)

  • Lowest 8 September, 2025

    53.1 °F

  • Average September

    68.7 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Scappoose Industrial Airpark (6.8 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    63.3 °F
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